Smacna Gutter Styles

Sheet metal and air conditioning contractors national association 4201 lafayette center drive chantilly virginia 20151 1219 tel 703 803 2980 fax 703 803 3732.

Smacna gutter styles.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. Optional support brackets also available. All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap. All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap.

These differences will not affect how well the gutter performs or how difficult it is to install on your home but are all a matter of personal preference as to the appearance. Calculations are based on level gutter capacity as experimentally determined by the national institute of standards and technology nist. Other variations of the plain industrial looking box gutter were becoming popular for residential rain gutter installation. New orleans los angeles for example.

Available in up to 32 0 lengths. 6 inch 7 960 square feet. Every gutter system is unique so saf smacna gutter profiles are custom fabricated to suit individual project needs. Saf smacna gutters are an extension of the saf industrial series gutters but with profile features contained in the sheet metal and air conditioning contractors national association smacna manual.

5 inch 5 520 square feet. Table 1 2 based on records through 1978 gives five minute intensities for selected cities. Then use the chart below to see what size gutter you need. Proper gutter and downspout sizing rainfall intensity downspout capacity rainfall intensity is usually given in inches per hour for a five minute duration or one hour duration based on u s.

15 m is a practical maximum gutter length to be served by a downspout. Optional support brackets also available. Saf smacna gutters are an extension of the saf industrial series gutters but with profile features contained in the sheet metal and air conditioning contractors national association smacna manual. Dynaclad 70 full strength pvdf paint finish natural copper rheinzink or stainless steel.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. They are available in a number of different styles including double bead single bead and reverse bead style. Expansion allowances gutter specific expansion tables based on girth profile metal predicted annual δt expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion. Dmi offers our box gutter in six standard smacna profiles see profiles tab below.

Custom profiles are also available. To limit the effects of thermal expansion in gutters 50 ft.